Robert k



dinde-d geintegagmiu amm.

.,-Lettes Patent No. 93,850, dated August 17, 1869.

The Schedule referred to in -these Lettera Patent and making part'bf the lame.

To all who/m. it may concern:

The nature of my invention consists in the con-` struction and general arrangement of a foar-coup` ling, which will couple itself, and -in 'ease of accident,

where one car turns over, will also uncouple itself` In order to enable others skilled in the art to which my invention appertains, to make and use the same, I

will now proceed to describe its construction and op' eration, referring to the annexed drawings, iu which- Figure l is a. side view, part in section, and

Figure 2 is a-plan view, part in section.

Figure 3. is a perspective of the draught-bolt, with lever attached.

A represents the bumper of a railroad-car, the sides of which are slotted vertically ucar the head, seen in fig. 1.l

Through these slots is passed the draught-bolt B, provided on its rear side uith guides a a, which prevent it from moving laterally in the bumper, but at the same time allow it to move freely up and down.

The centre ofthe drangh-tfbolt B is, for a space corresponding with the size oftheopening in the head of the bumper, cut out suicient to allow the draught# ba1',when the cars are coupled, to more freely between the same and the bottom of the bumper.

Thefrout side of the centre of the draught-bar is bevelled, us shown in figs. 1 and spring, C, secured to the 'roof 'of the bumper, presses on the upper side of the draughtfbolt B, and holds it down in its place.

To the upper side of the draught-bolt is attached bale, D, which passes around the upper side of the bumper A, and is attached to a lever, E, pivoted on said bumper, by the means of which the draught-bolt can be raised, whenever desired to-uncouple the cars.

Tile draught-bar F' consists of a fiat bar of steel or other suitable material, with bevelled4 ends, forming a notch, or shoulder at each end, on the upper side, as seen in fig. 1.

,It will readily he seen, that ,when two cars are brought together, the levelled. end of the draught-bar F ,-operating on -the bevelledoentre of the draughtbolt B,.wll raise the latter suieient to allow the draught-bar to pass linden-until the bolt is pressed down in the notch on the bar by the spring C, when the oars are coupled.

Should, by anyI accident, one car bc overturned, then, as` soon as it comes on its side, the cars will. become uncoupled, saving the next car from sharing the same fate. Y

Having thus fully described my invention,

What I claim las new, and desire to secure by Let- 1. The draught-bolt B, constructed as described, with a cut-out and bevelled centre, and provided with guides a @substantially as and for the purposes herein set forth.

. L". The combination of the draught-bolt B, guides a a, bumper A, bale D, lever E, and4 spring C, all constructed as described, and arranged to operatol sub stantially als and tbn the purposes herein set forth.'

In testimony that I claim the foregoing, I have hercunto setmy hand and seal, this 27 th day of May, 1869.

ROBERT K. ANDREWS. [1..` s]

Witnesses:

I HABRIET O. GRLFFIN,

'HENRY GRIFFIN. 

